cut out the rear stamped case grille openings so its completely open now less restriction

Rear case exhaust fan nf p12 moved to outside of cabinet so as to not interfere with the 3rd cpu cooler fan.
chrome grille to suit added on fan face.
fan wiring through rubber cooling grommet in rear to chassis connection
interior snap in drive bays have 2 fans and behind air filter has 2 fans models nf p12's bringing air in.
P14flx fan on top held with small washers & fan screws through them, centered in place
held by 2 screws diagonally